Question

Write the rational number that does not have a reciprocal.

Answer 1

Determine the rational number that does not have a reciprocal.

The rational number that does not have a reciprocal is $0$.

Reason:

$0=\frac{0}{1}\begin{array}{}\end{array}$​

​ Reciprocal of $0is\frac{1}{0}$​, which is not defined. ​

Hence, the rational number doesn't have a reciprocal $0$ because the reciprocal of $0$ is undefined.